CA2265592C - Producing a mirrored data copy (image) using reference labels - Google Patents

Producing a mirrored data copy (image) using reference labels Download PDF

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Publication number
CA2265592C
CA2265592C CA002265592A CA2265592A CA2265592C CA 2265592 C CA2265592 C CA 2265592C CA 002265592 A CA002265592 A CA 002265592A CA 2265592 A CA2265592 A CA 2265592A CA 2265592 C CA2265592 C CA 2265592C
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CA
Canada
Prior art keywords
storage device
data
write requests
controller
write
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA002265592A
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English (en)
French (fr)
Other versions
CA2265592A1 (en
Inventor
V. Martin J. Fitzgerald
Glenn A. Tremblay
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Marathon Technologies Corp
Original Assignee
Marathon Technologies Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Marathon Technologies Corp filed Critical Marathon Technologies Corp
Publication of CA2265592A1 publication Critical patent/CA2265592A1/en
Application granted granted Critical
Publication of CA2265592C publication Critical patent/CA2265592C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/2053—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant
    • G06F11/2056—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant by mirroring
    • G06F11/2071—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant by mirroring using a plurality of controllers

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Hardware Redundancy (AREA)
CA002265592A 1996-09-17 1997-09-16 Producing a mirrored data copy (image) using reference labels Expired - Fee Related CA2265592C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/714,255 US5787485A (en) 1996-09-17 1996-09-17 Producing a mirrored copy using reference labels
US08/714,255 1996-09-17
PCT/US1997/016206 WO1998012642A1 (en) 1996-09-17 1997-09-16 Producing a mirrored data copy (image) using reference labels

Publications (2)

Publication Number Publication Date
CA2265592A1 CA2265592A1 (en) 1998-03-26
CA2265592C true CA2265592C (en) 2001-08-14

Family

ID=24869322

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002265592A Expired - Fee Related CA2265592C (en) 1996-09-17 1997-09-16 Producing a mirrored data copy (image) using reference labels

Country Status (7)

Country Link
US (1) US5787485A (de)
EP (1) EP1000397B1 (de)
JP (1) JP4264136B2 (de)
AU (1) AU725413B2 (de)
CA (1) CA2265592C (de)
DE (1) DE69730449T2 (de)
WO (1) WO1998012642A1 (de)

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US6728898B2 (en) * 2002-03-06 2004-04-27 Marathon Technologies Corporation Producing a mirrored copy using incremental-divergence
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JP4452438B2 (ja) * 2002-11-11 2010-04-21 株式会社日立製作所 記憶システム
US7386694B1 (en) * 2002-12-17 2008-06-10 Symantec Operating Corporation System and method for reading mirrored data
US7246192B1 (en) 2003-01-10 2007-07-17 Marvell International Ltd. Serial/parallel ATA controller and converter
US7194568B2 (en) * 2003-03-21 2007-03-20 Cisco Technology, Inc. System and method for dynamic mirror-bank addressing
US8930583B1 (en) 2003-09-18 2015-01-06 Marvell Israel (M.I.S.L) Ltd. Method and apparatus for controlling data transfer in a serial-ATA system
US7203796B1 (en) 2003-10-24 2007-04-10 Network Appliance, Inc. Method and apparatus for synchronous data mirroring
US7200726B1 (en) * 2003-10-24 2007-04-03 Network Appliance, Inc. Method and apparatus for reducing network traffic during mass storage synchronization phase of synchronous data mirroring
US7596672B1 (en) 2003-10-24 2009-09-29 Network Appliance, Inc. Synchronous mirroring including writing image updates to a file
JP2005228170A (ja) * 2004-02-16 2005-08-25 Hitachi Ltd 記憶装置システム
JP4452557B2 (ja) * 2004-05-27 2010-04-21 株式会社日立製作所 Ｗｏｒｍ保証付きリモートコピー
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US20070028144A1 (en) * 2005-07-29 2007-02-01 Stratus Technologies Bermuda Ltd. Systems and methods for checkpointing
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US8001307B1 (en) 2007-04-27 2011-08-16 Network Appliance, Inc. Apparatus and a method to eliminate deadlock in a bi-directionally mirrored data storage system
JP5838652B2 (ja) * 2011-08-23 2016-01-06 富士通株式会社 データコピー処理システム
US9251002B2 (en) 2013-01-15 2016-02-02 Stratus Technologies Bermuda Ltd. System and method for writing checkpointing data
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EP3090344B1 (de) 2013-12-30 2018-07-18 Stratus Technologies Bermuda Ltd. Systeme und verfahren für dynamisches checkpointing
US9760442B2 (en) 2013-12-30 2017-09-12 Stratus Technologies Bermuda Ltd. Method of delaying checkpoints by inspecting network packets
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Also Published As

Publication number Publication date
DE69730449T2 (de) 2005-09-15
AU725413B2 (en) 2000-10-12
WO1998012642A1 (en) 1998-03-26
AU4345097A (en) 1998-04-14
EP1000397A1 (de) 2000-05-17
CA2265592A1 (en) 1998-03-26
EP1000397B1 (de) 2004-08-25
US5787485A (en) 1998-07-28
DE69730449D1 (de) 2004-09-30
EP1000397A4 (de) 2000-10-11
JP4264136B2 (ja) 2009-05-13
JP2001501002A (ja) 2001-01-23

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